Balasubramaniam, Sezhiyan wrote:
I usually set the JavaScript add-options statements using logic-iterate and on
the event of user clicks a button; this function will be called which will
populate the select box.
function refreshSelect()
{
<logic:iterate id="MIP_SUBGRP_CD" name="MIP_SUBGRP_CD">
document.forms[0].eligMipSubgrpCd.options[<%=y%>] =
new Option('<bean:write name="MIP_SUBGRP_CD" property="description"/>','<bean:write name="MIP_SUBGRP_CD" property="code"/>');
<%y++;%>
</logic:iterate>
}
You can try this. But avoid using forms[0] or the scriptlets in logic
tags(though it works fine)
Make sure that the select is populated correctly and don't forget to select
some item[s] before submits the form.
Bala
Thanks for your answer.
Now if I submit the form I select all the options, but I get the
following error from Tomcat:
^^^^^^^^^^^^^^^^^^^^^^^^^^
javax.servlet.ServletException: BeanUtils.populate
at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:1254)
[...]
root cause
org.apache.commons.beanutils.ConversionException: Cannot assign value of
type 'java.lang.String' to property 'chosen' of type 'java.util.ArrayList'
at org.apache.struts.action.DynaActionForm.set(DynaActionForm.java:423)
[...]
^^^^^^^^^^^^^^^^^^^^^^^^^^
'chosen' is the select I want to read.
If I don't select any item I don't get that error but of course "chosen"
is empty.
The html code is:
<!-- ################################### -->
<tr>
<td style="width:200px;">
<span class="etichetta">Investimenti disponibili</span>:
<select class="transfer" name="possible" size="5" multiple>
<c:forEach var="row" items="${elencoinvestimenti}" varStatus="status">
<option value="<c:out value="${row.id}" />"><c:out value="${row.nome}" />
</option>
</c:forEach>
</select>
</td>
<!-- ################################### -->
<td style="width:30px;">
<a href="javascript:copyToList('possible','chosen')">
<img src="gestione/images/icon_frecciadx.gif" width="21" height="21">
</a><br>
<a href="javascript:copyToList('chosen','possible')">
<img src="gestione/images/icon_frecciasx.gif" width="21" height="21">
</a>
</td>
<!-- ################################### -->
<td style="width:200px;">
<span class="etichetta">Investimenti collocabili</span>:
<html:select property="chosen" size="5" styleClass="transfer"
multiple="true" >
</html:select>
</td>
The firs "selct" is given; the second is populated by clicking over a
button (using a javascript that put the values in the select box).
LuKe
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